Design and Implementation of Nodding Recognition System Based on Chair Sway. - Toshiki Hayashida; Yugo Nakamura; Hyuckjin Choi; Yutaka Arakawa (ICMU, 2023)

Counting Nods from Chair Rocking. - Toshiki Hayashida; Yugo Nakamura; Hyuckjin Choi; Yutaka Arakawa (IoT, 2023)

Privacy-aware Quantitative Measurement of Psychological State in Meetings based on Non-verbal Cues. - Toshiki Hayashida; Yugo Nakamura; Hyuckjin Choi; Yutaka Arakawa (PerCom Workshops, 2024)